Estimate is based on 800-hr. life; average engine good for 400 to 800 hours of active use, or total of 44,000 to 88,000 miles of flying; cost of repairs and overhauls calculated.
$10,000 airplane engine depreciates $10.60 per hour of service
Automotive Industries
Automotive Industries ; 53 , n 11
1925
3 pages
Aufsatz (Zeitschrift)
Englisch
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